Realtek Audio Service 1.0.0.55 RtkAudioService64.exe unquoted search path

Summaryinfo

A vulnerability identified as problematic has been detected in Realtek Audio Service 1.0.0.55. Affected by this issue is some unknown functionality of the file RtkAudioService64.exe. The manipulation leads to unquoted search path. This vulnerability is referenced as CVE-2020-37252. The attack can only be performed from a local environment. Furthermore, an exploit is available.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Realtek Audio Service 1.0.0.55. This issue affects some unknown functionality of the file RtkAudioService64.exe. The manipulation with an unknown input leads to a unquoted search path vulnerability. Using CWE to declare the problem leads to CWE-428. The product uses a search path that contains an unquoted element, in which the element contains whitespace or other separators. This can cause the product to access resources in a parent path. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Realtek Audio Service 1.0.0.55 contains an unquoted service path vulnerability in RtkAudioService64.exe that allows local attackers to escalate privileges by injecting malicious code. Attackers can place executable files in the unquoted service path directory to execute arbitrary code with LocalSystem privileges during service startup or system reboot.

The weakness was published by Erika Figueroa as 49015. It is possible to read the advisory at exploit-db.com. The identification of this vulnerability is CVE-2020-37252 since 06/19/2026. The exploitation is known to be difficult. Attacking locally is a requirement. Technical details as well as a public exploit are known. The attack technique deployed by this issue is T1574.009 according to MITRE ATT&CK.

The exploit is available at exploit-db.com. It is declared as proof-of-concept.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at Exploit-DB (49015) and EUVD (EUVD-2020-31253). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Vendor

• Realtek

Name

• Audio Service

Version

• 1.0.0.55

License

• commercial

CPE 2.3info

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CPE 2.2info

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Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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